Spider-like creatures help uncover the surprising origins of fatherhood

Citizen scientists have helped researchers uncover how parental care evolved in harvestmen, a group of spider like arachnids, by contributing observations through the popular nature platform iNaturalist. The findings, published in the Zoological Journal of the Linnean Society, reveal that parental guarding behavior has appeared, disappeared, and evolved again multiple times over the group's evolutionary history.

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